The Origin of Quantum Effects in Low-Dimensional Thermoelectric Materials

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Abstract

Thermoelectric material, which directly converts waste heat to electricity, provides an ecofriendly power generator to reuse heat energy sources. New attempts have started for thermoelectricity of low-dimensional materials since 1993 when the theory of confinement effect was presented by Hicks and Dresselhaus. Experimental works have been inspired by the theory of confinement to the use of low-dimensional materials for improving thermoelectric efficiency for more than two decades. In this report, it is considered how recent theories and experiments have made progress on the quantum confinement effects. In particular, the reason is explained why the thermal de Broglie wavelength becomes a key parameter to enhance the power factor.

Original languageEnglish
Article number2000115
JournalAdvanced Quantum Technologies
Volume4
Issue number1
DOIs
Publication statusPublished - 2021 Jan

Keywords

  • confinement effect
  • low-dimensional material
  • thermal de Broglie wavelength
  • thermoelectricity

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Electronic, Optical and Magnetic Materials
  • Computational Theory and Mathematics
  • Mathematical Physics
  • Electrical and Electronic Engineering

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